*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content:center;
    align-items:center;
    height:100vh;
}
h2{
    text-align: center;
    margin: 20px;
}
.container{
    margin: auto;
    width: 352px;
}
.week,.date{
    display: flex;
    flex-wrap: wrap;
    border:1px #999 solid;
}

.week span,.date span{
    width: 50px;
    height: 50px;
    box-shadow: 1px 1px 1px rgba(0,0,0,0.3);
    line-height: 50px;
    text-align: center;
}
.h{
    color:#999;
}
.today{
    background-color:rgba(16, 0, 255, 0.62);;
    color:#fff;
}